A 30 amp circuit on a 250 volt service could handle up to 7500 watts. That's if it's actually 250 volts coming in. You should check that with your meter.
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A 250 volt outlet with 30 amps can handle up to 7500 watts (250V x 30A = 7500W) of power. This calculation is based on the formula Watts = Volts x Amps.
A typical 15-amp, 115-volt residential outlet can handle up to 1,725 watts (115 volts * 15 amps). However, it's recommended to leave some margin and avoid continuously drawing the full capacity to prevent circuit overloading.
To calculate the amperage used by a 60-watt fridge, you would divide the power (in watts) by the voltage of the outlet it’s plugged into. For example, if the fridge is plugged into a 120-volt outlet, the amperage would be 0.5 amps (60 watts / 120 volts = 0.5 amps).
To answer this you have to know how many volts will be used. If you know the voltage then you can calculate the current by dividing voltage into wattage. For example; an electric heater rated at 700 watts when plugged into a 115 v outlet will draw 700/115 = 6.08 amps of current.
watts = volts * amps--> Amps = watts/ volts therefore; 2000/220= 9.09 amps
You need the formula: Amps * Volts = Watts But you get to do the math.